Home / 8,144.87-11,240.12-4,559.81

Finding the Fourth Proportional to 8,144.87, 11,240.12 and 4,559.81

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Solution

The fourth proportional to 8,144.87, 11,240.12 and 4,559.81 is: 6,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.87 : 11,240.12 = 4,559.81 : x
  2. Step 2: Convert to fraction form
    8,144.87/11,240.12 = 4,559.81/x
  3. Step 3: Cross multiply
    8,144.87x = 11,240.12 × 4,559.81
  4. Step 4: Simplify right side
    8,144.87x = 51,252,732.58
  5. Step 5: Solve for x
    x = 51,252,732.58/8,144.87
  6. Step 6: Final answer
    x = 6,292.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.